小学奥数知识点总结之：植树问题 标签：杯赛辅导
<span></span><p><strong>植树问题：</strong> </p><p><table align="center"><tbody><tr><td height="45" width="112">基本类型</td><td height="45" width="175">在直线或者不封闭的曲线上植树，两端都植树</td><td height="45" width="114">在直线或者不封闭的曲线上植树，两端都不植树</td><td height="45" width="218">在直线或者不封闭的曲线上植树，只有一端植树</td><td height="45" width="92">封闭曲线上植树</td></tr><tr><td height="32" width="112">基本公式</td><td height="32" width="175">棵数<span><span>=</span></span><span>段</span><span>数＋</span><span><span>1</span></span><span>棵距</span><span>×段数</span><span><span>=</span></span><span>总长</span> </td><td height="32" width="114">棵数<span><span>=</span></span><span>段</span><span>数－</span><span><span>1</span></span><span>棵距</span><span>×段数</span><span><span>=</span></span><span>总长</span> </td><td colspan="2" height="32" width="436">棵数<span><span>=</span></span><span>段</span><span>数</span><span>棵距</span><span>×段数</span><span><span>=</span></span><span>总长</span> </td></tr><tr><td height="19" width="112">关键问题</td><td colspan="4" height="19" width="682">确定所属类型，从而确定棵数与段数的关系</td></tr></tbody></table></p>
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